"on ne sait jamais" meaning in Français

{
  "categories": [
    {
      "kind": "other",
      "name": "Compositions en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Locutions-phrases en français",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en anglais",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en arabe",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Traductions en croate",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Français",
      "orig": "français",
      "parents": [],
      "source": "w"
    }
  ],
  "etymology_texts": [
    "Composé de savoir et de jamais."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              24,
              41
            ]
          ],
          "text": "Je tente ma chance ici, on ne sait jamais."
        },
        {
          "bold_text_offsets": [
            [
              74,
              91
            ]
          ],
          "text": "Ce genre de drame nous incite encore plus à rester tout le temps attaché, on ne sait jamais…"
        },
        {
          "ref": "Robert Merle, Week-end à Zuydcoote, 1949, réédition Le Livre de Poche, page 165",
          "text": "— On ne sait jamais.\n— C’est tout su, dit Maillat."
        }
      ],
      "glosses": [
        "Au cas où cela arriverait, marcherait, réussirait."
      ],
      "id": "fr-on_ne_sait_jamais-fr-phrase-Xn8POxQ-"
    },
    {
      "categories": [
        {
          "kind": "other",
          "name": "Exemples en français",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              35,
              52
            ]
          ],
          "text": "Le film est réellement angoissant, on ne sait jamais quand le tueur va frapper."
        }
      ],
      "glosses": [
        "Nous ne savons pas."
      ],
      "id": "fr-on_ne_sait_jamais-fr-phrase-2q6MdoWK",
      "tags": [
        "literally"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɔ̃ nə sɛ ʒa.mɛ\\"
    }
  ],
  "synonyms": [
    {
      "sense_index": 1,
      "word": "au cas où"
    }
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "you never can tell"
    },
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "you never know"
    },
    {
      "lang": "Arabe",
      "lang_code": "ar",
      "word": "لا تدري أبداً"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "nikad se nezna"
    }
  ],
  "word": "on ne sait jamais"
}

{
  "categories": [
    "Compositions en français",
    "Locutions-phrases en français",
    "Traductions en anglais",
    "Traductions en arabe",
    "Traductions en croate",
    "français"
  ],
  "etymology_texts": [
    "Composé de savoir et de jamais."
  ],
  "lang": "Français",
  "lang_code": "fr",
  "pos": "phrase",
  "pos_title": "Locution-phrase",
  "senses": [
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              24,
              41
            ]
          ],
          "text": "Je tente ma chance ici, on ne sait jamais."
        },
        {
          "bold_text_offsets": [
            [
              74,
              91
            ]
          ],
          "text": "Ce genre de drame nous incite encore plus à rester tout le temps attaché, on ne sait jamais…"
        },
        {
          "ref": "Robert Merle, Week-end à Zuydcoote, 1949, réédition Le Livre de Poche, page 165",
          "text": "— On ne sait jamais.\n— C’est tout su, dit Maillat."
        }
      ],
      "glosses": [
        "Au cas où cela arriverait, marcherait, réussirait."
      ]
    },
    {
      "categories": [
        "Exemples en français"
      ],
      "examples": [
        {
          "bold_text_offsets": [
            [
              35,
              52
            ]
          ],
          "text": "Le film est réellement angoissant, on ne sait jamais quand le tueur va frapper."
        }
      ],
      "glosses": [
        "Nous ne savons pas."
      ],
      "tags": [
        "literally"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "\\ɔ̃ nə sɛ ʒa.mɛ\\"
    }
  ],
  "synonyms": [
    {
      "sense_index": 1,
      "word": "au cas où"
    }
  ],
  "translations": [
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "you never can tell"
    },
    {
      "lang": "Anglais",
      "lang_code": "en",
      "word": "you never know"
    },
    {
      "lang": "Arabe",
      "lang_code": "ar",
      "word": "لا تدري أبداً"
    },
    {
      "lang": "Croate",
      "lang_code": "hr",
      "word": "nikad se nezna"
    }
  ],
  "word": "on ne sait jamais"
}